Q: Is 821,215 a Composite Number?

 A: Yes, 821,215 is a composite number.

Why is 821,215 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 821,215 can be evenly divided by 1 5 23 37 115 185 193 851 965 4,255 4,439 7,141 22,195 35,705 164,243 and 821,215, with no remainder.

Since 821,215 cannot be divided by just 1 and 821,215, it is a composite number.


More Examples

Number 821,213821,214821,216821,217
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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